"The goals of [the book] are threefold: first, to assist in the understanding of biopsychological mechanisms; second, to develop an appreciaton of the contributions of biopsychology toward human welfare; and third, to encourage a synthetic approach in understanding behavior. This edition consists of 12 units that deal with major concepts in biopsychology. Teh anthology of articles within each unit represents seminal reports of recent significant discoveries in the field. some articles deal with current topics of public interest on the basis of frequent media coverage."--To the reader.